CN104315519B - Low-pollution self-cleaning combustion method and device for high-nitrogen content combustible waste - Google Patents
Low-pollution self-cleaning combustion method and device for high-nitrogen content combustible waste Download PDFInfo
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- CN104315519B CN104315519B CN201410524088.7A CN201410524088A CN104315519B CN 104315519 B CN104315519 B CN 104315519B CN 201410524088 A CN201410524088 A CN 201410524088A CN 104315519 B CN104315519 B CN 104315519B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/46—Recuperation of heat
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- Gasification And Melting Of Waste (AREA)
Abstract
The invention discloses a low-pollution self-cleaning combustion method for high-nitrogen content combustible waste. The method comprises the following steps of (1) gasifying/pyrolyzing the high-nitrogen content waste at high temperature; (2) performing fluidized combustion on a pyrolyzed/gasified solid product at high temperature; (3) mixing and reacting gas products obtained by the first two steps; (4) completely combusting the gas obtained by step (3). According to the method, nitrogen of the high-nitrogen content combustible waste is used for self-cleaning combustion, so that the addition of an external reducing agent in a flue gas denitration process is avoided; the use of a catalyst or an absorbent in a high-nitrogen content combustible waste treatment process is avoided, so that the system waste treatment cost is low; the raw material adaptability is higher, and a device is simple and compact in structure and easy to expand.
Description
Technical field
The present invention relates to environmental protection and technical field of energy utilization, particularly relate to a kind of high nitrogenous combustible waste material low emission self-cleaning combustion
Burn device and method.
Technical background
Within 2012, coal in China, oil consumption total amount reach 30.9 hundred million tons of standard coals, also give while supporting economy rapid growth
Environment causes immense pressure.National nitrogen oxides 2337.8 ten thousand tons in 2012, declined compared with 2011, but nitrogen
Oxide emissions still has more about 6,000,000 tons compared with the Eleventh Five-Year Plan period average annual discharge capacity, and key area environmental aspect is overall
The trend deteriorated is contained the most at all, thus has attracted the highest attention of country and the public.
Country's " environmental conservation " 12 " planning " emphasizes the preventing and treating of atmosphere pollution especially；It is relevant that Chinese Ministry of Environmental Protection combines other
" key area prevention and control of air pollution " the 12 " planning ", " blue sky science and technology engineering " 12 " ad hoc planning " that department issues etc.
Emission reduction work is done further refinement, and from 2012, has issued " " 12 " major pollutants total amount emission reduction targets continuously
Liability statement ", emission reduction tasks and performance assessment criteria are quantified to enterprise level.
High nitrogenous combustible waste material biowaste origin is extensive, complicated component, and nitrogen content is generally about 5%, and nitrogen content is former higher than general
Logical fuel.Existing incineration technology is not suitable for such raw material and directly utilizes.China there are about 300,000,000 tons of combustible wastes every year to be needed to process,
And the most still lack the effective way that low stain is disposed.As a example by Pearl River Delta Industrial agglomeration ground strong industry Furniture manufacture, due to
Leftover bits and pieces usually contains some nitrogen elements, is potential atmospheric pollution element, directly use and not only easily cause boiler tube corrosion,
Also often result in NO in flue gasXEtc. atmosphere pollution discharge beyond standards.
Substantial amounts of combustible waste cannot digest and the quagmire of medium and small boiler discharge beyond standards has increased the weight of the atmosphere pollution of China and administered
Difficulty, therefore the low-cost processes in the urgent need to high-efficiency cleaning utilizes technology.But the technical scheme that there is no this type of sizing at present is included in
The alternative category of enterprise.
Chinese patent application 201110034155.3 provides the castoff processing system of a kind of generation that can suppress nitrous oxide.
Castoff processing system have organic waste is thermally decomposed thermal decomposition furnace, make the flammable thermal decomposition that produced by thermal decomposition furnace
The combustion furnace of gas combustion, combustion furnace the heat utilization equipment that the burning waste gas produced is utilized as thermal source and make by heat utilization
Equipment utilization and temperature decline after the reflux line that is back in combustion furnace as combustion air of burning waste gas.Combustion furnace,
Burn in the temperature field of 900～1000 DEG C the flammable thermal decomposition gas produced by above-mentioned thermal decomposition furnace, to suppress nitrous oxide
N2The generation of O.Chinese patent application 01810981.0 relates to a kind of method of incinerating organic waste material in boiling-bed reactor,
Wherein garbage is flow through from below in the case of forming fluid boiling layer by oxygen containing fluidized gas in a combustor and burns, shape
The flue gas become is extracted out by the free space above boiling bed, and burns completely in after-combustion district or combustor.By adjusting
In joint reactor, oxygen content makes reactor can have big comburant flow in the case of forming less nitrogen oxides.The method is led to
Cross the nitrogen oxides in controlling measurement combustion product gases such as controlling oxygen content in combustion product gases, fluidized gas oxygen content and flue gas recirculation
Content, belongs to the category of low nitrogen burning.But the method is not suitable for for processing high nitrogen content garbage, high nitrogenous garbage
When the method that this patent provides is burned, because whole burning environment is in oxidative environment, the nitrogen in high nitrogenous garbage can convert
For substantial amounts of nitrogen oxides, increase the cost of follow-up nitrogen oxides in effluent abjection.Chinese patent application 201210576564.0 carries
For the reducing agent supply method in a kind of burning facility and reducer feeding device, described reducing agent supply method is in order to make from burning
NO in the aerofluxus that stove (1) is dischargedXConcentration below desired value, use the capacity discharged from pump-down process passage portion (3),
Calculate the ammonia quantity delivered supplied by the supply nozzle (31) of denitration portion entrance side, simultaneously according to the ammonia with this incinerator (1)
The ammonia supply concentration that the setting of concentration is corresponding obtains ammonia quantity delivered, and enters in the ammonia quantity delivered to be tried to achieve based on capacity
During the supply of row ammonia, in the case of ammonia quantity delivered based on capacity exceedes ammonia quantity delivered based on setting, with this based on rule
The ammonia quantity delivered supply ammonia of definite value.Chinese patent application 201210118586.2 discloses the burning disposal of a kind of nitrogenous debirs
Technique, sends refuse into furnace high-temperature including a. and burns, and maintain incineration temperature by spraying into afterburning fuel；B. combustion air is pressed
It is combustion-supporting that certain proportion is divided into First air and secondary wind to enter burner hearth；C. spray into reducing agent at thermal oxidation furnace afterbody, use SNCR's
Method is by part NO in flue gasXReduction；D. enter waste heat boiler from thermal oxidation furnace high-temperature flue gas out, reclaim a part of heat；
E. enter SCR processor from waste heat boiler flue gas out, reduce NO in flue gas furtherXContent；F. at SCR processor
Downstream arranges air preheater, further Mist heat recovering, then passes through smoke stack emission.Present invention process flow process is simple, burns
It is low that burning processes debirs expense, and two-stage is out of stock ensure that out of stock efficiency, meets discharge standard, and achieves fume afterheat
Recycling, can be widely applied to chemical industry and be similar in debirs processing item.
The method of above-mentioned document is mainly by oxygen content or main by follow-up in employing control temperature of reactor, regulation reactor
Employing sprays into ammonia from the external world or uric acid utilizes SCR/SNCR flue gas treating process to remove nitrogen element burning nitrogenous combustible waste material
Produce pollutant, there is the shortcomings such as denitrification effect is poor, complex process, processing cost are higher.
Above-mentioned document is all not directed to utilize garbage self nitrogen source to carry out self-cleaning burning, reduces the recycling of nitrogenous combustible waste material
The method of cost.
Summary of the invention
It is an object of the invention to overcome the shortcoming of above-mentioned prior art, utilize garbage self nitrogen source to carry out self-cleaning burning, i.e.
By process control, the nitrogen element part in high nitrogenous garbage is converted into NH3, a part be converted into NOX, then by upper
State two parts nitrogen-containing compound hybrid reaction, it is provided that a kind of high nitrogenous combustible waste material low stain self-cleaning combustion method.
For realizing object above, this invention takes following technical scheme:
A kind of high nitrogenous combustible waste material low stain self-cleaning combustion method, comprises the following steps:
(1) high nitrogenous pyrolysis of waste/gasification: high nitrogenous garbage is first in pyrolysis/gasification indoor high temperature pyrolysis/gasification, consolidate
Body product and gaseous product.Containing nitrogen element in solid product, gaseous product is mainly gaseous state tar, combustible gas, NH3Deng；
Under pyrolysis/gasification environment, a system N element part in reducing atmosphere, garbage remains in solid product,
A part is converted into NH3Enter in gaseous product.
(2) high-temperature fluidizedization burning: the solid product of pyrolysis/gasification enters fluidized combustion district, enters under the effect of fluidized gas
Row high-temperature fluidizedization burning.
(3) self-cleaning burning: containing NO in the high-temperature flue gas that high-temperature fluidizedization burning obtainsX, wherein 90%～95% is NO.
High-temperature flue gas mixes in self-cleaning reactor (12) with the gaseous product of step (1), realizes denitrating flue gas by following reaction.
NH3+NO+O2→N2+H2O
(4) flue gas reburning: by the flue gas after step (3) denitration under the secondary wind effect being passed through, has been carried out firing room again
Full burning, makes remaining a small amount of combustible gas in flue gas burn completely.A small amount of CO, H in flue gas after denitration2, tar (CXHyOz)
Burn completely under secondary wind effect Deng combustible component, the most a small amount of unreacted NH completely3Under high temperature and oxygen effect
Decompose.
CO+O2→CO2
H2+O2→H2O
CxHyOz+O2→CO2+H2O
After above-mentioned process, NO in high nitrogenous combustible waste material fume emissionXContent can reach environmental emission standard substantially,
To part NOXThe region that emission request is higher can carry out simple process to reach emission request by conventional denitrification process again.Row
The high-temperature flue gas put can enter boiler and carry out UTILIZATION OF VESIDUAL HEAT IN.
Fluidized gas (First air) is mainly used in burning for the solid product of pyrolysis/gasification providing excessive oxidant in above process,
Flue gas after making its oxidizing fire heat release and making burning still contains a small amount of oxygen.The heat that burning produces is for containing for step (1) height
Nitrogen pyrolysis of waste/biomass gasification boiler, is used for promoting NO in the burning of step (3) self-cleaning containing a small amount of oxygen in combustion product gases simultaneouslyX
With NH3Self-cleaning reaction.First air can use air, it is possible to is preheated First air by waste heat recovery.Necessary
Time First air can be mixed into the flue gas recycled of part for the fluidized state of regulating step (2) high-temperature fluidizedization combustion process；Two
Secondary wind the burning of combustible component in flue gas during step (4) flue gas reburning, controls suitable reaction temperature simultaneously so that
Unreacted NH completely3Can completely decompose, avoid thermal NO the most as far as possibleXGeneration.Secondary wind typically uses air.
Further, in step (1), pyrolysis/gasification temperature is 400 DEG C～600 DEG C, carries out pyrolysis/gasification at such a temperature, logical
In the case of Chang, the nitrogen element more than 60% can enter pyrolysis/gasification gaseous product, and the nitrogen element less than 40% is retained in pyrolysis/gasification
Solid product.In step (2), fluidized combustion temperature is 850 DEG C～1000 DEG C.
In step (3), the temperature of self-cleaning reactor is 950 DEG C～1000 DEG C, and the time of staying is more than 0.1s.In this temperature range
With can ensure that under the time of staying that denitration efficiency is more than 90%.Combustible component in the gaseous product of pyrolysis/gasification fires in fluidization
Oxidizing fire under the effect of the excessive oxygen contained in the high-temperature flue gas burnt, makes self-cleaning temperature of reactor rise to 950 DEG C～1000
℃。
In step (4), complete ignition temperature is 1050 DEG C～1150 DEG C.Burn the most completely and can ensure that combustible gas
There are higher burn-off rate, NH3High temperature thermal decomposition can also occur, thermal NO can also be reduced simultaneously as far as possibleXGeneration.
NH3+O2→N2+H2O
Present invention also offers a kind of device for realizing said method, this device includes self-cleaning combustion reactor 2 and is positioned at
The pyrolysis/gasification reactor 1 of self-cleaning combustion reactor 2 middle and lower part, has cloth the most respectively in self-cleaning combustion reactor 2
Air compartment 10, air distribution plate 4, fluidized combustion room 11, pyrolysis/gasification reactor 1, self-cleaning reative cell 12, again fire room 13,
Exhanst gas outlet 14；Described air compartment 10 connects with First air entrance 3；Fire room 13 again and be provided with reactor reducing 8；Reactor
Reducing 8 is provided with secondary wind entrance 9；Being provided with solid product outlet 5 bottom described pyrolysis/gasification reactor 1, top sets
Being equipped with product gas outlet 7, middle and upper part is provided with feed(raw material)inlet 6 and communicates with the external world, and solids outlet 5 is positioned at fluidized combustion
In district 11, product gas outlet 7 is positioned in self-cleaning reative cell 12；Described fluidized combustion room 11 and self-cleaning reative cell
12 by pyrolysis/gasification reactor 1 outside space communicate.
Pyrolysis/gasification reactor 1 is coaxial with self-cleaning combustion reactor 2, and air distribution plate 4 includes outer shroud 4-1 and internal ring 4-2.?
Under action of gravity, the solid product that pyrolysis/gasification reaction produces can be deposited between solid product outlet 5 and air distribution plate 4 and form gas
Close layer.This inner liner can ensure that the reducing atmosphere in pyrolysis/gasification room 1, makes pyrolysis/gasification gaseous product to pass through simultaneously
Product gas outlet 7 exits into self-cleaning reative cell 12.Fluidized gas enters fluidized combustion district from the outer shroud 4-1 of air distribution plate 4
11, make the pyrolysis/gasification solid product fluidized combustion on outer shroud 4-1 top, above-mentioned solid layer is loosened simultaneously so that heat
Solid product in solution/vaporizer 1 continues slowly to move downwardly into outer shroud 4-1 top under gravity.
The present invention compared with prior art, has the advantage that
1, the present invention utilizes the nitrogen element of high nitrogenous combustible waste material self to be not required to during carrying out self-cleaning burning, i.e. denitrating flue gas
Reducing agent is added from outside；
2, the present invention does not use catalyst or absorbent, system offal treatment low cost during processing high nitrogenous combustible waste material；
3, adaptability to raw material of the present invention is relatively strong, and apparatus structure is simple, compact, it is easy to amplify.
Accompanying drawing explanation
Fig. 1 is the high nitrogenous combustible waste material low stain self-cleaning burner sketch of the present invention；
Fig. 2 is the high nitrogenous combustible waste material low stain self-cleaning burner air distribution plate sketch of the present invention；
Fig. 3 is the high nitrogenous combustible waste material low stain self-cleaning burner logistics sketch of the present invention.
Description of reference numerals: 1. pyrolysis/gasification reactor, 2. self-cleaning combustion reactor, 3. First air entrance, 4. air distribution plate, 4-1.
Outer shroud, 4-2. internal ring, 5. solid product outlet, 6. feed(raw material)inlet, 7. product gas outlet, 8. reactor reducing, 9. secondary wind enters
Mouthful, 10. air compartment, 11. fluidized combustion rooms, 12. self-cleaning reative cells, 13. fire room, 14. exhanst gas outlets again.
Detailed description of the invention
With detailed description of the invention, present invention is described in further details below in conjunction with the accompanying drawings.
Embodiment 1:
In the present embodiment, as shown in Figure 1, 2, in combustion process, in device, logistics is as shown in Figure 3 for the structure of equipment therefor.High
Nitrogenous garbage is high-density plate leftover pieces, nitrogen element content 5.3% in raw material.The present embodiment comprises the following steps:
(1) high nitrogenous pyrolysis of waste/gasification: high nitrogenous garbage is entered in pyrolysis/gasification room 1 by feed(raw material)inlet 6, enters
Row high temperature pyrolysis/gasification, obtains solid product and gaseous product.Containing nitrogen element in solid product, gaseous product is mainly gaseous state
Tar, combustible gas, NH3Deng；System N element one in reducing atmosphere, garbage under pyrolysis/gasification environment
Part remains in solid product, and a part is converted into NH3Enter in gaseous product.
(2) high-temperature fluidizedization burning: under gravity, the solid product that pyrolysis/gasification reaction produces can be deposited in solid and produce
Inner liner is formed between thing outlet 5 and air distribution plate 4.This inner liner can ensure that the reducing atmosphere in pyrolysis/gasification room 1, with
Time make pyrolysis/gasification gaseous product can only exit into self-cleaning reactor 12 by product gas outlet 7.From First air entrance 3
The fluidized gas (air and the gaseous mixture of flue gas recycled, Vair:Vyq=70:30) being passed through enters stream from the outer shroud 4-1 of air distribution plate 4
State combustion zone 11, makes the pyrolysis/gasification solid product on outer shroud 4-1 top carry out high-temperature fluidizedization burning.Simultaneously to above-mentioned solid
Layer loosens so that the solid product in pyrolysis/gasification room 1 continues slowly to move downwardly into air distribution plate under gravity
The outer shroud 4-1 top of 4.
(3) self-cleaning burning: containing NO in the high-temperature flue gas that high-temperature fluidizedization burning obtainsX, wherein 90%～95% is NO.
High-temperature flue gas enters self-cleaning reactor 12 by the space outside pyrolysis/gasification room 1, mixes with pyrolysis/gasification gaseous product,
Denitrating flue gas is realized by following reaction.
NH3+NO+O2→N2+H2O
(4) flue gas reburning: enter by the flue gas after step (3) denitration fire room 13 again, at secondary by reactor reducing 8
Under secondary wind (air) effect that wind entrance 9 is passed through, burn completely, make a small amount of combustible gas in flue gas burn completely.
A small amount of CO, H in flue gas after denitration2, tar (CXHyOz) etc. combustible component burn completely under secondary wind effect,
The most a small amount of unreacted NH completely3Decompose under high temperature and oxygen effect.Last flue gas is discharged by exhanst gas outlet 14.
CO+O2→CO2
H2+O2→H2O
CxHyOz+O2→CO2+H2O
After above-mentioned process, NO in high nitrogenous combustible waste material fume emissionXContent can reach environmental emission standard substantially,
To part NOXThe region that emission request is higher can carry out simple process to reach emission request by conventional denitrification process again.Row
The high-temperature flue gas put can enter boiler and carry out UTILIZATION OF VESIDUAL HEAT IN.
Pyrolysis/gasification temperature in step (1) is 500 DEG C, carries out pyrolysis/gasification, the nitrogen element meeting of about 75% at such a temperature
Entering pyrolysis/gasification gaseous product, the nitrogen element of about 25% is retained in pyrolysis/gasification solid product.Fluidization in step (2)
Ignition temperature is 900 DEG C～950 DEG C.
In step (3), the temperature of self-cleaning reactor 12 is 950 DEG C～1000 DEG C, and the time of staying is more than 0.1s.By step (2)
And the amount of the oxidant in entrance self-cleaning reactor and temperature can control the reaction temperature of this step.Go out from pyrolysis/gasification room 1
The gaseous product come mixes in self-cleaning reactor 12 with the high-temperature flue gas out from fluidized combustion district 11.From pyrolysis/gasification
Combustible component in the gaseous product out of room 1 is in the effect of the excessive oxygen contained from fluidized combustion district 11 high-temperature flue gas
Lower oxidizing fire, makes the temperature of self-cleaning reactor 12 rise to 950 DEG C～1000 DEG C.Under this temperature range and the time of staying
Can ensure that denitration efficiency more than 90%, NOx content about 130ppmv in flue gas, can reach country boiler smoke nitrogen oxidation
Thing discharge relevant criterion.
Complete ignition temperature described in step (4) is 1050 DEG C.Burn the most completely and can ensure that combustible gas
There are higher burn-off rate, NH3High temperature thermal decomposition can also occur, thermal NO can also be reduced simultaneously as far as possibleXGeneration.
NH3+O2→N2+H2O
Above-listed detailed description is illustrating for possible embodiments of the present invention, and this embodiment also is not used to limit the special of the present invention
Profit scope, all equivalences done without departing from the present invention are implemented or change, are intended to be limited solely by the scope of patent protection of this case.
Claims (5)
1. the device for the burning of high nitrogenous combustible waste material low stain self-cleaning, it is characterised in that this device includes self-cleaning
Clean combustion reactor (2) and be positioned at the pyrolysis/gasification reactor (1) of self-cleaning combustion reactor (2) middle and lower part, self-cleaning fires
Air compartment (10), air distribution plate (4), fluidized combustion room (11), pyrolysis/gas is had the most respectively in burning reactor (2)
Change reactor (1), self-cleaning reative cell (12), fire room (13), exhanst gas outlet (14) again；Described air compartment (10) and one
Secondary wind entrance (3) connects；Described room (13) of firing again is provided with reactor reducing (8), and reactor reducing (8) is provided with two
Secondary wind entrance (9)；Described pyrolysis/gasification reactor (1) bottom is provided with solid product outlet (5), and top is provided with gas
Body product exit (7), middle and upper part is provided with feed(raw material)inlet (6), and described solid product outlet (5) is positioned at fluidized combustion room (11)
In, product gas outlet (7) is positioned in self-cleaning reative cell (12)；Described fluidized combustion room (11) is reacted with self-cleaning
Room (12) is communicated by the outer space of pyrolysis/gasification reactor (1).
2. the device as described in right 1 requires, it is characterised in that described pyrolysis/gasification reactor (1) burns with self-cleaning
Reactor (2) is coaxial.
3. device as claimed in claim 1 or 2, it is characterised in that described air distribution plate (4) includes outer shroud (4-1) and interior
Ring (4-2), fluidized combustion oxidant enters fluidized combustion room (11) from outer shroud (4-1).
4. one kind high nitrogenous combustible waste material low stain self-cleaning combustion method, it is characterised in that use claims 1 to 3 such as to appoint
Device described in one, comprises the following steps:
(1) high temperature pyrolysis/gasification in pyrolysis/gasification reactor of high nitrogenous garbage, obtains solid product and gaseous product；
(2) solid product of step (1) enters fluidized combustion room, carries out fluidized combustion under the effect of fluidized gas；
(3) high-temperature flue gas that high-temperature fluidizedization burning obtains mixes and anti-at self-cleaning reative cell with the gaseous product of step (1)
Denitrating flue gas should be realized；
(4) by the flue gas after step (3) denitration under the secondary wind effect being passed through, burn completely firing room again, make
In flue gas, remaining a small amount of combustible gas burns completely.
High nitrogenous combustible waste material low stain self-cleaning combustion method the most as claimed in claim 4, it is characterised in that described step
Suddenly the pyrolysis/gasification temperature of (1) is 400 DEG C～600 DEG C；The fluidized combustion temperature of described step (2) is 850 DEG C～1000 DEG C；
In described step (3), the temperature of self-cleaning reative cell is 950 DEG C～1000 DEG C, and the mixed gas time of staying wherein is more than 0.1s；
The complete ignition temperature of described step (4) is 1050 DEG C～1150 DEG C.
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| CN106215664B (en) * | 2016-08-31 | 2022-07-08 | 重庆赛迪热工环保工程技术有限公司 | Combined denitration method and device for flue gas of hazardous waste incineration system |
| CN109974009B (en) * | 2019-04-26 | 2024-01-30 | 北京科太亚洲生态科技股份有限公司 | Three-waste integrated reactor and method for treating nitrous gases |
| CN111928251A (en) * | 2020-09-15 | 2020-11-13 | 上海蓝科石化环保科技股份有限公司 | Combustion treatment device and process for nitrogen-containing raw material |
| CN116251458B (en) * | 2023-02-22 | 2023-11-21 | 华南理工大学 | Denitration system and method for waste directional catalytic pyrolysis coupled staged combustion |
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| CN1148528C (en) * | 2001-09-04 | 2004-05-05 | 中国科学院过程工程研究所 | Layered decoupling coal-burning technology and mechanical layered decoupling furnace |
| CN1711445A (en) * | 2002-11-15 | 2005-12-21 | 株式会社荏原制作所 | Fluidized-bed gasification furnace |
| CN1271370C (en) * | 2004-12-09 | 2006-08-23 | 上海交通大学 | Internal circulation fluidized bed garbage combustion device having melt sticking dechlorination function |
| CN200949824Y (en) * | 2006-07-21 | 2007-09-19 | 中材建设有限公司 | Online type multiple reducing low nitrogen decomposition furnace |
| CN101422689B (en) * | 2007-11-02 | 2011-04-06 | 中国科学院过程工程研究所 | Flue gas denitration method and device by storing and reducing nitrogen oxides in circulating fluid bed |
| CN201191000Y (en) * | 2007-12-06 | 2009-02-04 | 北京航天石化技术装备工程公司 | Incineration processing system for ammine-containing waste gas |
| US9174166B2 (en) * | 2009-11-09 | 2015-11-03 | Ihi Corporation | Method and device for treating ammonia in gasification system |
| WO2013035615A1 (en) * | 2011-09-07 | 2013-03-14 | 荏原環境プラント株式会社 | Fluidized bed furnace and waste disposal method using fluidized bed furnace |
| CN104028088A (en) * | 2014-07-01 | 2014-09-10 | 南京大学 | Method for reducing NOx in smoke through ammonia source of household garbage |
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